Waste gas deodorization equipment for garbage treatment

Abstract

The utility model discloses waste gas deodorization equipment for garbage treatment, which comprises a rack, an air pressure sensor and a temperature sensor, and a catalytic combustion purification tank and a spray purification tower are welded at two ends in the rack. By installing the temperature sensor and the like, when the device is used, an electric heating wire in the catalytic combustion purification tank is electrified to preheat waste gas; an air pressure sensor and a temperature sensor which are installed on the catalytic combustion purification tank can monitor the air pressure value and the gas temperature in the catalytic combustion purification tank correspondingly, and when the air pressure value and the temperature value reach the pretreatment air pressure value and the temperature value, a first electromagnetic valve is closed; at the moment, after the combustion engine starts a servo motor inside the combustion engine to drive an air door to be in an ignition opening state, an ignition transformer works and outputs high voltage to an ignition electrode so as to generate ignition electric sparks into the catalytic combustion purification tank, and the catalytic combustion of the waste gas is realized under the action of a solid catalyst.

Description

Technical Field

[0001] The utility model relates to the technical field of garbage treatment, in particular to waste gas deodorization equipment used for garbage treatment. Background Art

[0002] People generate garbage every moment in their daily life and work. These garbage need to be processed to pollute the environment. Considering that garbage disposal often produces waste gas with odor, these waste gases will pollute the atmosphere if they are directly discharged. Therefore, it is necessary to use waste gas deodorization equipment for garbage disposal. It can achieve waste gas deodorization and purification. However, there are still some problems in the actual operation of such devices.

[0003] As disclosed in application number 202020550784.6, a waste gas deodorization device for garbage disposal includes an equipment box, which is a cylindrical hollow box, an exhaust pipe is fixedly installed vertically upward at the bottom of the interior of the equipment box, the exhaust pipe is a cylindrical hollow pipe and the lower end of the exhaust pipe is connected to the garbage disposal odor exhaust pipe, a supporting plate is fixedly installed parallel to the interior of the equipment box, the supporting plate is a circular plate, and a spring is installed vertically upward on the upper end of the supporting plate, and there are four groups of springs, and an extrusion plate is fixedly installed parallel to the upper ends of the four groups of springs. In the model, by adding an extrusion spring and a rubber plate, the water inside the water holding plate can enter the space formed by the extrusion plate and the water holding plate and continuously contact with the odor, and the wastewater generated after the contact can be collected through the drain pipe and the inside of the wastewater collection box, so as to achieve periodic and uninterrupted deodorization of the waste gas and improve the deodorization efficiency. However, it is still difficult to achieve targeted purification treatment for the two most common odor components in the waste gas, ammonia and hydrogen sulfide, which leads to poor deodorization and purification effect of the device and is difficult to promote. Utility Model Content

[0004] The purpose of the utility model is to provide a waste gas deodorization device for garbage treatment to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste gas deodorization device for garbage treatment, comprising a frame, an air pressure sensor and a temperature sensor, both ends of the frame are welded with a catalytic combustion purification tank and a spray purification tower, an air guide connecting pipe is connected between the catalytic combustion purification tank and the spray purification tower, a second solenoid valve is installed on the air guide connecting pipe, the air pressure sensor and the temperature sensor are respectively installed at the top of the catalytic combustion purification tank, the interior of the catalytic combustion purification tank is fixed with a heating wire and a solid catalyst in sequence, the catalytic combustion purification tank is connected with a second solenoid valve, and the air pressure sensor and the temperature sensor are respectively installed at the top of the catalytic combustion purification tank. A burner is installed on one side of the interior of the chemical tank, an exhaust gas inlet pipe is arranged at the bottom end of the catalytic combustion purification tank, a first solenoid valve is installed on the exhaust gas inlet pipe, filtering and adsorption packing plates are evenly installed inside the spray purification tower, a spray branch pipe is fixed on the spray purification tower above the filtering and adsorption packing plates, a nozzle matching the filtering and adsorption packing plates is arranged at the bottom end of the spray branch pipe, a water treatment tank is fixed at one end of the spray purification tower, a water pump is installed at the bottom end of the water treatment tank, and a water supply pipe connected to the spray branch pipe is arranged at the output end of the water pump.

[0006] Preferably, the inside of the side walls of the catalytic combustion purification tank and the spray purification tower are both provided with explosion-proof carbon steel base layers, so that the structural strength and explosion-proof performance of the catalytic combustion purification tank and the spray purification tower are improved.

[0007] Preferably, the inner side walls of the catalytic combustion purification tank and the spray purification tower are both provided with nano-ceramic anti-stick coatings, so as to enhance the anti-stick and wear-resistant effects of the inner walls of the catalytic combustion purification tank and the spray purification tower.

[0008] Preferably, the outer side walls of the catalytic combustion purification tank and the spray purification tower are both provided with a silicone rubber insulation layer, so that the thermal insulation effect of the outer walls of the catalytic combustion purification tank and the spray purification tower is improved.

[0009] Preferably, a clean gas discharge pipe is welded to the top of the spray purification tower, and a one-way valve is installed on the clean gas discharge pipe to facilitate the backflow of gas inside the clean gas discharge pipe.

[0010] Preferably, an activated carbon filter layer is evenly arranged inside the water treatment box, and a connecting port is provided between the end of the activated carbon filter layer away from the water pump and the bottom end inside the spray purification tower, so that it is convenient to filter and purify the wastewater that has completed the spray treatment and reuse it, thereby achieving the advantage of water recycling.

[0011] Preferably, three packing plates and three spray branches for filtration and adsorption are provided, so that the device realizes a three-stage spray function and optimizes the spray purification effect.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The waste gas deodorization equipment for garbage treatment is installed with water supply pipes, etc., so that the device optimizes its own performance. On the one hand, the first solenoid valve on the waste gas inlet pipe is opened, so that the waste gas generated in the garbage treatment process is introduced into the catalytic combustion purification tank through an external vacuum pump. The heating wire inside the catalytic combustion purification tank is energized to preheat the waste gas, and the air pressure sensor and temperature sensor installed on the catalytic combustion purification tank can respectively realize the monitoring of the air pressure value and gas temperature inside the catalytic combustion purification tank. When the pre-treatment air pressure value and temperature value are reached, the first solenoid valve is closed. At this time, the burner turns on its internal servo motor to drive the air door to the ignition opening state, and the ignition transformer works and outputs a high voltage to the ignition electrode to generate an ignition electric spark to the inside of the catalytic combustion purification tank. Combined with the action of the solid catalyst, the waste gas is catalytically burned, and the organic components in the waste gas are decomposed and purified. Produce relatively clean water vapor and carbon dioxide, and in this process, the ammonia with strong odor in the exhaust gas will burn and explode and be removed. On the other hand, open the second solenoid valve, and the gas purified by combustion will enter the interior of the spray purification tower through the gas guide pipe. At this time, start the water pump inside the water treatment tank, and cooperate with the water guiding function of the water supply pipe fittings to spray liquid through the three spray branches and nozzles to achieve a three-level spray function for the exhaust gas, optimize the spray purification effect, and during the spray treatment, the exhaust gas will float upward and pass through the three filtering and adsorption filler plates corresponding to the three spray mechanisms in turn to complete the adsorption and filtration of hydrogen sulfide and other impurities in the exhaust gas with strong odor, which enables the device to achieve better spray filtration adsorption purification function, and then integrate multiple purification structures to meet the targeted classification and purification treatment of different impurities in the exhaust gas, as well as ammonia and hydrogen sulfide, which is conducive to the comprehensive and thorough realization of the deodorization function of garbage treatment exhaust gas;

[0014] (2) The waste gas deodorization equipment for garbage treatment is equipped with an activated carbon filter layer, etc., so that when the device is used, the activated carbon filter layer is evenly arranged inside the water treatment box, and a connecting port is arranged between the end of the activated carbon filter layer away from the water pump and the bottom end of the spray purification tower. This allows the wastewater that has completed the spray treatment and falls into the bottom end of the spray purification tower to enter the water treatment box through the connecting port under the suction of the water pump, and is filtered and purified by the activated carbon filter layer before being drawn into the spray mechanism again. This allows the device to achieve the advantages of water circulation, achieve the effect of water saving, and facilitate promotion;

[0015] (3) The waste gas deodorization equipment for garbage treatment optimizes its own structure by installing an explosion-proof carbon steel base, etc., and by arranging an explosion-proof carbon steel base inside the side walls of the catalytic combustion purification tank and the spray purification tower, the structural strength and explosion-proof performance of the device are improved, and by arranging a nano-ceramic anti-stick coating on the inner walls of the catalytic combustion purification tank and the spray purification tower, the anti-stick and wear-resistant effect of the inner wall of the device is improved, and by arranging a silicone rubber insulation layer on the outer walls of the catalytic combustion purification tank and the spray purification tower, the thermal insulation effect of the outer wall of the device is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of a partial cross-sectional structure of a catalytic combustion purification tank of the utility model;

[0018] Figure 3 This is a schematic diagram of the partial cross-sectional structure of the spray purification tower of the utility model from the rear view;

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the side wall of the spray purification tower of the utility model.

[0020] In the figure: 1. frame; 2. first solenoid valve; 3. exhaust gas inlet pipe; 4. burner; 5. catalytic combustion purification tank; 6. air pressure sensor; 7. temperature sensor; 8. air guide connecting pipe; 9. second solenoid valve; 10. clean gas discharge pipe; 11. spray purification tower; 12. water treatment box; 13. heating wire; 14. solid catalyst; 15. filler plate for filtration and adsorption; 16. nozzle; 17. activated carbon filter layer; 18. water pump; 19. water supply pipe fittings; 20. spray branch pipe; 21. nano-ceramic anti-stick coating; 22. explosion-proof carbon steel base layer; 23. silicone rubber insulation layer. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides an embodiment: a waste gas deodorization device for garbage treatment, comprising a frame 1, an air pressure sensor 6 and a temperature sensor 7, a catalytic combustion purification tank 5 and a spray purification tower 11 are welded at both ends of the frame 1, a gas guide connecting pipe 8 is connected between the catalytic combustion purification tank 5 and the spray purification tower 11, and a second solenoid valve 9 is installed on the gas guide connecting pipe 8;

[0023] The air pressure sensor 6 and the temperature sensor 7 are respectively installed at the top of the catalytic combustion purification tank 5. The electric heating wire 13 and the solid catalyst 14 are fixed in sequence inside the catalytic combustion purification tank 5. A burner 4 is installed on one side of the catalytic combustion purification tank 5. The bottom end of the catalytic combustion purification tank 5 is provided with an exhaust gas introduction pipe 3, and the exhaust gas introduction pipe 3 is installed with a first solenoid valve 2;

[0024] The inside of the spray purification tower 11 is evenly installed with filter adsorption packing plates 15, and a spray branch pipe 20 is fixed on the spray purification tower 11 above the filter adsorption packing plates 15. The bottom end of the spray branch pipe 20 is provided with a nozzle 16 matching the filter adsorption packing plates 15;

[0025] A water treatment box 12 is fixed at one end of the spray purification tower 11, a water pump 18 is installed at the bottom of the water treatment box 12, and a water supply pipe 19 connected to the spray branch pipe 20 is provided at the output end of the water pump 18;

[0026] The inside of the side walls of the catalytic combustion purification tank 5 and the spray purification tower 11 are both provided with an explosion-proof carbon steel base layer 22, which improves the structural strength and explosion-proof performance of the catalytic combustion purification tank 5 and the spray purification tower 11;

[0027] The inner walls of the catalytic combustion purification tank 5 and the spray purification tower 11 are both provided with a nano-ceramic anti-stick coating 21, which improves the anti-stick and wear-resistant effect of the inner walls of the catalytic combustion purification tank 5 and the spray purification tower 11;

[0028] The outer side walls of the catalytic combustion purification tank 5 and the spray purification tower 11 are both provided with a silicone rubber insulation layer 23, so that the heat preservation and heat insulation effect of the outer walls of the catalytic combustion purification tank 5 and the spray purification tower 11 is improved;

[0029] A clean gas discharge pipe 10 is welded on the top of the spray purification tower 11, and a one-way valve is installed on the clean gas discharge pipe 10 to facilitate the backflow of gas inside the clean gas discharge pipe 10;

[0030] The inside of the water treatment box 12 is evenly provided with an activated carbon filter layer 17, and a communication port is provided between the end of the activated carbon filter layer 17 away from the water pump 18 and the bottom end of the spray purification tower 11, so that it is convenient to filter and purify the wastewater after the spray treatment and reuse it, thus realizing the advantage of water recycling;

[0031] There are three packing plates 15 and three spray branches 20 for filtration and adsorption, so that the device realizes a three-level spray function and optimizes the spray purification effect;

[0032] When in use, an activated carbon filter layer 17 is evenly arranged inside the water treatment box 12, and a connecting port is provided between the end of the activated carbon filter layer 17 away from the water pump 18 and the bottom end of the spray purification tower 11. This allows the waste water that has completed the spray treatment and fallen into the bottom end of the spray purification tower 11 to enter the water treatment box 12 through the connecting port under the suction of the water pump 18, and is filtered and purified by the activated carbon filter layer 17 before being drawn into the spray mechanism again. This allows the device to achieve the advantages of water circulation, achieve the effect of water saving, and facilitate promotion.

[0033] When the embodiment of the present application is in use: an external power supply and control equipment are connected to open the first solenoid valve 2 on the exhaust gas inlet pipe 3, so that the exhaust gas generated during the garbage disposal process is introduced into the catalytic combustion purification tank 5 through an external vacuum pump, and the heating wire 13 inside the catalytic combustion purification tank 5 is energized to preheat the exhaust gas, and the air pressure sensor 6 and temperature sensor 7 installed on the catalytic combustion purification tank 5 can respectively realize the monitoring of the internal air pressure value and the gas temperature of the catalytic combustion purification tank 5. When the pre-treatment air pressure value and temperature value are reached, the first solenoid valve 2 is closed. At this time, the burner 4 turns on its internal servo motor to drive the air door to the ignition opening state, and the ignition transformer works and outputs a high voltage to the ignition electrode to generate an ignition electric fire. The waste gas is then catalytically burned in the catalytic combustion purification tank 5, and then the solid catalyst 14 is used to decompose and purify the organic components in the waste gas, and finally produce relatively clean water vapor and carbon dioxide. In this process, the ammonia gas with a strong odor in the waste gas will be burned and exploded and removed. Then the second solenoid valve 9 is opened, and the gas that has been burned and purified will enter the interior of the spray purification tower 11 through the gas guide connecting pipe 8. At this time, the water pump 18 inside the water treatment tank 12 is started, and the water guide function of the water supply pipe 19 can be used to spray liquid through the three spray branches 20 and the nozzle 16, so as to realize the three-level spray function for the waste gas, optimize the spray purification effect, and during the spray treatment, the waste gas will float upward and pass through the corresponding three The three filtering and adsorption filling plates 15 of the spray mechanism complete the adsorption and filtration of hydrogen sulfide and other impurities in the exhaust gas, which enables the device to achieve a better spray filtering and adsorption purification function, and then enables the device to integrate a variety of purification structures, which can meet the needs of different impurities in the exhaust gas, as well as the two odors of ammonia and hydrogen sulfide. Targeted classification and purification treatment is beneficial to the comprehensive and thorough realization of the waste gas deodorization function of garbage treatment. At the same time, an activated carbon filter layer 17 is evenly arranged inside the water treatment box 12, and a connecting port is provided between the end of the activated carbon filter layer 17 away from the water pump 18 and the bottom end of the spray purification tower 11, which completes the spray treatment of the wastewater falling into the bottom end of the spray purification tower 11 and the suction of the water pump 18. Under the action of force, it will enter the interior of the water treatment box 12 through the connecting port, and after being filtered and purified by the activated carbon filter layer 17, it will be sucked into the spray mechanism again, which enables the device to achieve the advantages of water circulation, achieve the effect of water saving, and facilitate promotion. In addition, by arranging an explosion-proof carbon steel base layer 22 on the inside of the side walls of the catalytic combustion purification tank 5 and the spray purification tower 11, the structural strength and explosion-proof performance of the device are improved, and by arranging a nano-ceramic anti-stick coating 21 on the inner wall of the catalytic combustion purification tank 5 and the spray purification tower 11, the anti-stick and wear-resistant effect of the inner wall of the device is improved, and by arranging a silicone rubber insulation layer 23 on the outer wall of the catalytic combustion purification tank 5 and the spray purification tower 11, the thermal insulation effect of the outer wall of the device is improved.

[0034] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A waste gas deodorization device for garbage disposal, characterized in that: The invention comprises a frame (1), an air pressure sensor (6) and a temperature sensor (7); a catalytic combustion purification tank (5) and a spray purification tower (11) are welded at both ends of the frame (1); an air guide connecting pipe (8) is connected between the catalytic combustion purification tank (5) and the spray purification tower (11); a second electromagnetic valve (9) is installed on the air guide connecting pipe (8); the air pressure sensor (6) and the temperature sensor (7) are respectively installed at the top of the catalytic combustion purification tank (5); an electric heating wire (13) and a solid catalyst (14) are fixed in sequence inside the catalytic combustion purification tank (5); a burner (4) is installed on one side of the catalytic combustion purification tank (5); and the catalytic combustion purification tank ( 5) is provided with an exhaust gas introduction pipe (3) at the bottom end, and a first solenoid valve (2) is installed on the exhaust gas introduction pipe (3); a filter adsorption packing plate (15) is evenly installed inside the spray purification tower (11); a spray branch pipe (20) is fixed on the spray purification tower (11) above the filter adsorption packing plate (15); a nozzle (16) matching the filter adsorption packing plate (15) is provided at the bottom end of the spray branch pipe (20); a water treatment tank (12) is fixed at one end of the spray purification tower (11); a water pump (18) is installed at the bottom end of the water treatment tank (12); and a water supply pipe (19) connected to the spray branch pipe (20) is provided at the output end of the water pump (18).

2. The waste gas deodorization equipment for garbage treatment according to claim 1, characterized in that: The inside of the side walls of the catalytic combustion purification tank (5) and the spray purification tower (11) are both provided with an explosion-proof carbon steel base layer (22).

3. The waste gas deodorization equipment for garbage treatment according to claim 1, characterized in that: The inner side walls of the catalytic combustion purification tank (5) and the spray purification tower (11) are both provided with a nano-ceramic anti-stick coating (21).

4. The waste gas deodorization equipment for garbage treatment according to claim 1, characterized in that: The outer side walls of the catalytic combustion purification tank (5) and the spray purification tower (11) are both provided with a silicone rubber heat insulation layer (23).

5. The waste gas deodorization equipment for garbage treatment according to claim 1, characterized in that: A clean gas discharge pipe (10) is welded to the top of the spray purification tower (11), and a one-way valve is installed on the clean gas discharge pipe (10).

6. The waste gas deodorization equipment for garbage treatment according to claim 1, characterized in that: An activated carbon filter layer (17) is evenly arranged inside the water treatment box (12), and a communication port is arranged between an end of the activated carbon filter layer (17) away from the water pump (18) and the bottom end inside the spray purification tower (11).

7. The waste gas deodorization equipment for garbage disposal according to claim 1, characterized in that: The filtration and adsorption filler plates (15) and the spray branch pipes (20) are both provided in three numbers.

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